MUMBAI, India, Nov. 28 -- Intellectual Property India has published a patent application (202531107643 A) filed by Souvik Dutta; Ahana Guchait; Sunanda Hazra; Subhankar Pusti; Manas Sarkar; Palash Pal; Angana Chakraborty; Dilip Dey; Ahana Guchait; and Indranil Dey, Haldia, West Bengal, on Nov. 6, for 'ai-assisted smartphone-based retinal screening device for rural healthcare.'
Inventor(s) include Debasis Maji; Ahana Guchait; Dilip Dey; Angana Chakraborty; Palash Pal; Manas Sarkar; Subhankar Pusti; Sunanda Hazra; Indranil Dey; and Souvik Dutta.
The application for the patent was published on Nov. 28, under issue no. 48/2025.
According to the abstract released by the Intellectual Property India: "A smartphone-mounted fundus imaging system is disclosed comprising a 3D-printed camera holder (100) with a view port (101), a lens holder (102) incorporating a standoff distance datum and co-located illumination, and a torque-resistant screw lock (103) actuating a padded clamp (104) to secure the device to varied handsets. The hardware constrains optical-axis alignment, working distance, and fixation to enable repeatable capture with a smartphone (302). In operation, the system executes a workflow (200) including retinal image acquisition (202), preprocessing (203), analysis by a compact model (204), automated output (205), and optional remote review (206). The method includes securing and aligning the attachment, positioning at the standoff, illuminating at (102), and capturing a high-resolution fundus image (303). The device provides low-cost, phone-agnostic, and field-serviceable retinal screening with reduced glare and operator dependence; drawings and embodiments are illustrative and not limiting."
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